多 TA, oo(i) - many, much
千 SEN, chi - thousand
川 SEN, kawa - river
天 TEN, ame, ama - heaven
止 SHI, to(meru), to(maru) - stop
They are the kanji on which the following katakana are based.
タ Katakana "Ta" or The "Yuube" radical - evening
チ Katakana "Chi" or The "Kan" radical - to dry, shield
ツ Katakana "Tsu" or The "Tsu" radical - Katakana Tsu
テ Katakana "Te"
ト Katakana "To" or The "Boku" radical - oracle